CVE-2024-45889: draytek vigor3900_firmware OS Command Injection

Analyzed

Published 04-11-2024Last modified 04-11-2024

Vulnerability summary

CVE-2024-45889 is a high (CVSS 8.0) OS Command Injection vulnerability in draytek vigor3900_firmware. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 76.1% of scored vulnerabilities.

Overall risk

32/100

0100

Medium · default modelHow is this calculated?

CVSS score

8.0/10

010

High · v3.1 (CVE.org)

EPSS score

1.64%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

04-11-2024
PublishedVulnerability first disclosed.
04-11-2024
Last modifiedVulnerability information updated.

Description

DrayTek Vigor3900 1.5.1.3 contains a post-authentication command injection vulnerability. This vulnerability occurs when the `action` parameter in `cgi-bin/mainfunction.cgi` is set to `commandTable.`

CVSS metrics

2 scores · 2 sources · 1 version

v3.18.0

EPSS trend

Probability

1.64%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.64% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Affected systems

Draytek1 product

vigor3900_firmware1.5.1.3

1 vendor · 1 product

References

2 links